Structure of a Dicot Seed

Q.

Which of these is a dicot seed with endosperm?

1. Orchid

2. Castor

3. Pea

4. Sorghum

Q.

Define hilum

Q.

Tegmen is the outermost coat in bean-seed.

1. True
2. False

Q.

Which of these is a dicot seed with endosperm?

1. Orchid

2. Castor

3. Pea

4. Sorghum

Q. In the diagram of a bean seed shown alongside, label the parts marked.

1. Hypocotyl
2. Plumule
3. Radicle
4. Cotyledon

Q.

Three features which distinguish angiosperms are

1. Naked seeds, flowers, double fertilization.

2. Double fertilization, covered seeds, flowers.

3. Dominant gametophyte, covered seeds, flowers.

4. Dominant sporophytes, naked seeds, double fertilization.